So I may or may not be mildly interested in this and after looking over the last page or two of OOC, I see that there is an issue with people wanting there to be an antagonist PC vs not wanting one for various reasons.

I'd like to offer myself to play the role of such a character, namely Settra the Imperishable from Warhammer Fantasy as from what I understood of the OP, it did say any franchise. He's strong enough to be a threat and often does go out and do things personally but he also has more or less an infinite number of mooks he could summon for people to cut through and have their little mary sue badass scenes.